Trigonometry.

Questions

( tanx/1-cotx )+ (cotx/1-tanx)= (1+secxcscx)Good one! Generally these are done by changing everything to sines and cosines,
1. 1 answer
2. asked by mo
3. 1,259 views
Use the given information to evaluate cos (a-b).Cot a = 3/4, cot b = 24/25; pi<a<3pi/2, 3pi/2<b<2pi.
1. 2 answers
2. asked by Anonymous
3. 557 views